清洁基材表面‌：将欲处理的基面积水、污尘及其他附着物清除干净。如果有裂缝，需要用腻子或水泥浆填平，确保基材表面平整、坚实，不得有空鼓、疏松等现象‌；
稀释溶液‌：用水进行稀释，一般稀释成3%或更低的浓度。如果需要使用高于3%的浓度，必须先进行实验验证，因为高浓度可能会在防水表面形成白色残留物‌；
施工方式‌：可采用浸泡、喷涂或涂刷等方法进行施工。施工时要确保均匀覆盖，无遗漏。涂刷后使被处理表面自然晾干，表面未干前可再涂刷第二遍。如使用在石材、瓷砖表面防护处理，施工后未表干前用软布抹去多余的液体，不沾水养护至少24小时。‌

SH-2501 Nanometer-sized Oligomeric Water-soluble Silicon-based Materials

Ⅰ. Product Description

This product features in permeability, absorbency, and ability to maintain the original appearance of the substrate. It can react with CO₂ or other acidic compounds in the air and form a waterproof, insoluble, and breathable reticular film on the surface of the substrate. It has excellent waterproofing performance and outstanding resistance to seepage, moisture, rust, aging, and pollution. It prevents water from penetrating the substrate, thereby reducing peeling caused by freeze-thaw and weathering and increasing the lifespan of the substrate.

Ⅱ. Technical Data

Item	Index	Test Method
Appearance	Transparent liquid	GB1721
Solid Content (150℃, 2h, %)	50±2	GB1725
pH	13	GB/T 18012-2021

III. Applications

This product is mainly used for surface treatment of substrates in a way of extending its service life, for example, stone, brick and tile, ceramics, concrete, cement mortar, perlite, gypsum and gypsum board, wood, etc. It can also be used as an additive in sodium silicate (or water glass).

Ⅳ. How to Use

1. Clean the substrate surface: Remove standing water, dust, dirt, and other adherents from the surface to be treated. If there are cracks, fill them with putty or cement slurry to ensure the substrate surface is smooth, solid, and free from hollowing, loose areas, etc.

2. Dilute the solution: Dilute with water, typically to 3% or lower concentration. If a concentration higher than 3% is required, preliminary testing must be conducted to verify its suitability, as high concentration may leave white residues on the waterproofed surface.

Application method: Apply by dipping, spraying, brushing, or other methods. Ensure even and complete coverage without missing any areas. After application, air dry the treated surface. A second coat can be applied before the first coat is fully dry. For protective treatment of stone or tile surfaces, wipe off any extra liquid with a soft cloth before the surface becomes dry, and then keep the surface free from water contact for at least 24 hours.

Ⅴ. Packaging and Storage

It is sealed in plastic drums of sizes as in 20kg, 200kg, or customized as per customer request.
Please store it in a cool and dry place in unopened package at 5℃ to 36℃. The shelf life is 6 months.

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